Separate Aerobic Digestion

The stabilisation of sewage sludge is a fundamental requirement for agricultural application. Separate aerobic sludge stabilisation intensifies this process and relieves existing activated sludge plants. Pig and cattle slurry can also be excellently stabilised as required and disinfected at thermophilic temperatures (> 50 °C).

In covered tanks with concentrated sewage sludge, the sludge heats itself up to the mesophilic temperature range (~ 35 °C) when aerated. This allows for short retention times and correspondingly small reactors for stabilisation.

The FUCHS Centrox aerator with foam intake takes on the tasks of aeration, circulation and foam control with just one machine. The combination of small reactors and cost-effective machine technology reduces investment costs to a minimum. The aerobic stabilisation process is very robust and can be easily started and controlled. Together with the reliable FUCHS Centrox aerator with foam intake, this process offers a user-friendly solution, particularly for small to medium-sized wastewater treatment plants.

Advantages

• Proven machine technology from FUCHS

• Only one machine for aeration, mixing and foam control

• Use of existing tanks possible

• Simple plant expansion

• Treatment of excess sludge, mixed sludge and grease sludge

• Short retention times in the process

• Low space requirement due to small reactors

• Low investment costs

• Industrial and municipal applications

• End product is a plant-compatible fertiliser